{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Subject", "Treatment", "Combination.Drug", "Subject.Gender", "Treatment.Route", "Treatment.Time_elapsed", "Treatment.Disorder", "Subject.Population", "Treatment.Duration", "Effect", "Treatment.Freq"]}], "input": "After infliximab treatment, additional sleep studies revealed an increase in the number of apneic events and SaO2 dips suggesting that TNFalpha plays an important role in the pathophysiology of sleep apnea."}
{"potential therapeutic event": []}